AHE00041EN 2001
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Alfa LU-VE is a trademark registered and owned by LU-VE Group.
Alfa LU-VE reserves the right to change specifications without prior notification.
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Product description
2.1 General information and application
Arctigo IS/IST is a wide and flexible range of single discharge industrial air coolers for both cooling
and freezing applications in medium to large cold rooms, designed to keep fresh and frozen goods
refrigerated from +10 to -40 °C, with either high or low humidity content.
The Arctigo range offers a wide variety of cooler configurations and a long list of options, always
allowing to select the best model to suit all applications in industrial cooling installations. Arctigo
cooler models are available for dedicated applications.
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Refrigerants: HFO/HFC, ammonia, brine, CO2
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Capacity range (SC2): 3 up to 250 kW
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Air volume: 3,000 up to 120,000 m3/h.
Refrigerant application
Design pressure
HFO/HFC
33 bar
Ammonia
30 bar
CO2
33-40-60 bar
Brine
10 bar
2.2 Standard configuration
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Finned coil:
- 8 coil block modules
- 3, 4, 6, 8 or 10 tube rows deep
- Tubing ø 5/8”Cu ripple fin, smooth Cu tubing for brine or smooth stainless steel.
- Tube pitch 50 mm square or 48 mm triangular.
- Corrugated Alu-fins
- Fin spacings 4, 5, 6, 7, 8, 10 and 12 mm.
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1 to 8 Fans, ø 450 mm up to ø 1000 mm, drawing or blowing trough the coil.
2-Speed fan motors 400/50-60/3 or 230/50-6-/1 (ø 450 only), two noise levels (D/Y).
AC/EC Fan motors with dynamically and statically balanced external rotors, manufactured in
accordance with VDE 530/12.84 IP54 class F. Integrated thermo contacts (Clickson) provide reli
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able protection against thermal overload.
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Corrosion resistant materials: coil frame and casing pre-galvanized sheet steel, epoxy coated
RAL 9002.
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Hinged side panels and driptray, drain(s) 1½" BSP external
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Fitted with schräder valve on the suction connection for testing purposes.
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Refrigerant connections right or left (L=default).
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Sufficient room for fitting the expansion valve inside.
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Suitable for dry expansion or pumped system.
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Stickers indicate fan direction and refrigerant in/out.
2.3 Options
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Electric defrost systems (incl. connection box)
- Electric defrost in drip tray (E1)
- Electric defrost - heavy (E2)
- Electric defrost - light (E4)
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Hotgas defrost systems
- Hotgas defrost - light, not connected (HG1)
- Hotgas defrost - heavy, not connected (HG2)
- Hotgas defrost - light, connected (HG1C) for Arctigo IS only
- Hotgas defrost - heavy, connected (HG2C) for Arctigo IS only
